503445252 has 24 divisors (see below), whose sum is σ = 1225780416. Its totient is φ = 160518688.

The previous prime is 503445233. The next prime is 503445269. The reversal of 503445252 is 252544305.

It is a super-2 number, since 2×503445252² = 506914243522687008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911763 + ... + 912314.

It is an arithmetic number, because the mean of its divisors is an integer number (51074184).

Almost surely, 2^503445252 is an apocalyptic number.

It is an amenable number.

503445252 is an abundant number, since it is smaller than the sum of its proper divisors (722335164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503445252 is a wasteful number, since it uses less digits than its factorization.

503445252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824107 (or 1824105 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 503445252 is about 22437.5856990007. The cubic root of 503445252 is about 795.5193536954.

Adding to 503445252 its reverse (252544305), we get a palindrome (755989557).

The spelling of 503445252 in words is "five hundred three million, four hundred forty-five thousand, two hundred fifty-two".